Question

insulation cover of which colour is conventionally used for earth wire ? why is an earth wire connected to metallic parts of appliances?

Answer 1

Green insulation cover is usually used for earth wire.

To protect ourselves from electric shock Earth wire is connected to metallic parts of appliances.

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Answer 2

Answer:an insulation cover of the color green in used for the earth wire.

Explanation:The property of earth wire is such that it provides a low resistance conducting path for the current and at the same time maintains the potential of appliances body with that of that of the earth. Therefore, earth wire is used as a safety measure.